TY JOUR TI DIAGNOSIS OF ORAL MUCOSAL PATHOLOGY IN PATIENTS WITH VARIOUS MANIFESTATIONS OF GROUP B VITAMIN IMBALANCE KW oral mucosa KW B vitamins KW riboflavin KW pyridoxine KW cyanocobalamine KW vitamin-deficient conditions KW glossitis KW cheilitis KW paresthesia JO Actual problems in dentistry AU Yatsenko, A.K. AU Trankovskaya, L.V. AU Artyulova, O.A. PY 2021 IS 16 PB TIRAZH Publishing House